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I have approximately a 3 year old Whirlpool Gold Refrigerator, model # GB2SHKXMQ, freezer is on the bottom. This model # is Cdn so may not be recognized in this forum.

Basically, the top shelf is getting very cold. It is close to freezing the lettuce produce. The rotary temp dial at the top of the fridge is set to 2.5.

I am thinking it might be the thermostat. I have not set the dial to a higher temp yet. I may set it to 3 and see what happens.

I hope that that there is not a leak in the refrigerant system.

If anyone knows what typically causes this problem with this model or any other tips, I would very much appreciate it.Including the location of the thermostat.The p/n of the thermostat should be 1025326 at repair clinic.com.

Yes, first try setting your refrigerator control at a warmer position, then give it 24 hours to stabilize.

Let us know what you find.

If the refrigerator temp. doesn't change and its still almost to the point of freezing things in your refrigerator section, then its possibly your damper assembly(where the air comes out into your refrigerator section).

But also take the temp. in the freezer section, it should be between 0-10 F.

Based on my owner's manual, the factory mid-setting is '4' and settings to the right
of the mid-setting make the temperature colder. As mentioned before it is set right now at 2.5 and there is no humidity in the kitchen as it is the winter season. I may set it to around 2 and then see what happens after 24hrs. I'll also take some temp readings.

What would be the symptoms of a bad freezer thermostat?

This model # shows up on the U.S. whirlpool website so I may take a look at the parts breakdown if available.

Ok, it's been about 24 hrs after adjusting the rotary dial to about 1.5 (less cold than before). Using a cheap thermometer, I noticed that the temp is at about 7C(44.6F) on the right side of the top shelf. I noticed about 4C(39F) on the left side of the top shelf. Maybe it was 4C because it was a lot closer the vent. Not sure if this is normal but there is some frost built up below the plastic housing, which has the vents.

Another note, the fruit located in the drawer on the bottom shelf is very cold.

I hope these observation help. I can turn it back to 2.5 on the dial setting (more cold) and take more temp. readings.

How do I gain access to the damper assy in the refrigerator. I am considering replacing it but would rather inspect it first before purchasing the part. I recall reading somewhere how to gain access to it. I believe I have to remove the plastic shroud on the rear wall of the refrigerator. The damper p/n in question is 67003410.

I set the temp setting for both the freezer and refrigerator to their mid-point settings (4). This the default setting as per the manual. The top shelf still gets very cold. Freezing the produce, i.e. lettuce.

Right now I am pointing the finger at the damper assy. The bottom freezer seems to be fine.